vocabulary

vocabulary da Ward Bond

1. porosity is holes in a rock where liquid or air can pass

2. sinkholes are holes in the ground caused by a collapse of a surface layer

3. landslides are sliding of a mass down a mountain or cliff

4. aquifers are underground layers of water bearing rock

5. infiltration is the process by which ground water enters the soil

6. water table is the level where the ground is saturated

7. frost weathering is caused by the repeated freeze and thaw cycle of water in extreme climates

8. clay is fine grained earth that forms a layer of soil

9. sand is a loose granular substance resulting from erosion of siliceous rocks

10. chemical weathering is the breakdown of rock by chemical mechanisms

11. acid precipitation has elevated levels of hydrogen ions that has harmful effects

12. erosion is where surface processes remove soil and rock

13. zone of aeration is the area is where there is both air and water in the ground

14. flooding is covering an area with water

15. weathering is rock being worn away by long exposure to air

16. zone of saturation is the area of the water table where the voids are filled with water

17. soil is the upper layer of earth where plants grow

18. physical weathering rocks soil and minerals being broken down by pressure, temperature, water, and ice

19. ph scale measures how acacia or basic a substance is

20. pollution is a harmful substance in the environment

21. a tsunami is a giant wave caused by an earthquake

22. geo hazard is a geological state that leads to widespread damage

23. watersheds are an area of land that separates water flowing to different rivers

24. groundwater is water held in the pores or crevices of rocks

25. silt is granular material between sand and clay

26. barrier islands are sand islands next to the coastline

27. surface water is water on the surface of the planet

28. river basins are areas of land drained by a river and its tributaries